51,592 Topics
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| | hi,i'm beginner for programming and i don't know how to use pointer in a c++ programming.  |
| | Hi everyone. I am makng a RISK game and I am working on a territory class here, and I got a strange message that my google searches have not shed any light on. My code is below. First, my header file: // Class represents each individual territory on the map … |
| | Hi everyone. I am trying to develop a class for a RISK boardgame, and I used UNIT_COLOR and UNIT_TYPE enums to represent the different types of pieces. These enumerations are defined as public in my class but are causing complete havoc in my code because with the C++11 "class enum," … |
 | hello friends. i have i simple c/c++ function that return the min of the array to the main function, in the body of the function i'm using an iterative loop so i would like to do it recursivly and i don't know from where to start! all reply are usefull … |
| | //There is a problem in int main when scanning in the constructors into the pointer array ( found around line 843) //(sorts by the value generated in calcStockIndex — a method within the stock class) #include <iostream> #include <fstream> #include<cmath> using namespace std; /* Purpose: To store all information that … |
| | Hi All, In below code when class a object is assigned to class b by returning object through factory method i observed assignment is not happening properly and after assignment still class b's object points to NULL object only. *cobj=rhs;//it gives NULL object However below statement works perfectly when b … |
 | I tried to draw that shape but it doesnt work in right way .. any help? example for size = 3 print: * * *** * * #include<iostream> #include<cmath> using namespace std; int main() { int N, t,col,row; cin >> t; for (int i =0; i < t; i++) { … |
| | write a c++ program that asks user to insert 2 numbers |
| | Hi All, After compiling below code , I am getting below error. error: cannot convert a* to b* in assignment. it seems to be assignment doesn't work with pointers . Can anybody throw some light on this? i tried to use unique_ptr by transfering the ownership from a to b … |
| | We follow debugging with writing debug logs in the file to find any bugs in vc++ and visual studio. Is there any other better way doing the same. Thanking in advance  |
 | This snippets contains a python program to find a shortest solution to the problem of the farmer who whishes to cross a river. The boat can only contain two things, including the rower. The farmer comes with a wolf, a duck and a bag of corn, and he can't leave … |
| | A farmer with his wolf, duck and bag of corn come to the east side of a river they wish to cross. There is a boat at the river’s edge, but of course only the farmer can row. The boat can only hold two things (including the rower) at any … |
| | void Selection_Sort(int SUM_1[], int n){ int Lid, tmp; for (int i = 0; i < n - 1; i++){ Lid = i; for (int j = i + 1; j < n; j++){ if (SUM_1[j] != 0 && SUM_1[Lid] != 0 && SUM_1[j] < SUM_1[Lid]){ Lid = j; } tmp … |
| | I have a project that uses DirectSound to play streaming sound. I use SetThreadpoolWait to get a threadpool callback every time the notification (AutoReset) events are signalled. (To fill the streaming buffer with more audio). The new Win7 threadpool API requires you to use SetThreadpoolWait to schedule a new wait … |
| | Hi, everyone! I have to make a function which would get a c-string of an inputted text and it would output the number of times each unique word occurs in it. Of course, I must use c-strings [yeah yeah, I know but that is what the assignment is]. Here's my … |
| | Hi All, Below is the code of implementation of aggregation in c++. In this code class bar object will be contained in class a but class a won't act as a owner of class bar and due to this bar object is deleted after class a's life time ends. Now … |
| | Help me please! below is a part of the code which causes the error. int B[996]; for (j = 0, k = 0; j < (N / 6); j++){ if (A[j] == 0){ continue; } B[k++] = A[j]; } //팀원이 여섯명인 팀만의 순위대로 저장한 배열을 새로 만듭니다. int SUM[167] = … |
| | Hi All, In below code i am surprised to see destructor for rectangle class is not being called though base class destructor for IShape is virtual. below is the output of below programme: draw the rectangle draw the circle draw destructor deleting circle **deleting the Rectangle** is missing from output … |
| | I have windows form with usercontrol to display image. I am trying to reset the autoscroll position to the top of the image if the user had scrolled down to see bottom part of the image. So at index change it should display top part of the next image that … |
| | How to write a C++ program doing the following : a series of names with no blank characters and displays the number of the names having more than ten charaters. the name must not exceed 25 characters and the series ends when the user enters the word "end". |
| | Hi everyone. I was reading some source code and I cam across the line `cout << "\nu converted to upper case is " << static_cast<char> ( toupper('u') ) << endl;` Why would the programmer use static_cast<char> in conjunction with toupper to print 'U' instead of just typing `cout << "\nu … |
| | #include<iostream> #include<stack> using namespace std; struct node #include<iostream> #include<stack> using namespace std; struct node { int data; node *left; node *right; }; class usman { private: node *root,*leaf; int count; public: usman(); //~usman(); bool input(); void call(); void preorder(); void postorder(); }; usman::usman() { root=leaf=NULL; count=0; } bool usman::input() { … |
| | hy ,i make binary tree,the input of binary tree in correct.but issues traversing of binary tree using stack ,because the result of traversing is wrong .please solve this issues. #include<iostream> #include<stack> using namespace std; struct node { int data; node *left; node *right; }; class usman { private: node *root,*leaf; … |
| | Can someone check if I got these correct please?? I'm pretty sure I missed almost half of these so I really need help on these. If someone can explain how to get an answer, that would be great. a: 5 b: address of location of x (0x....) c: address of … |
| | It has been a long time since i do C++ programming and I am stuck on this question. I don't remember how to solve this kind of question. haha Part 1: Develop a C++ program which asks the user for the choice of either 3x3 or 4x4 2-dimensional array (use … |
| | I need to write a program to create palindrome words by using the string entered by users. The program should have 2 strings: the first string is used to store input text from the user and the second string is to store the same input text from the user in … |
| | I need to read from a txt file and then pass that array into another function which prints the data in a neat organised manner depending which type pf book it is... So if its audiobook then the book is listed under audiobook, if ebook then under ebook etc... I … |
| | I make a program to simulate the Shortest Job First algorithm in CPU scheduling .. this function will calculate the start , end, turn,and wait time for each proccess according to Non-preemptive way .. the 1st condition gonna check for the 1st arrival time or the smallest burst time .. … |
| | Hello I've problem with reading a text file and using it in textbox and combobox combination. I've got text file ( which I open easly ) where the data is presented like this: > English cat dog cow > French chat chien vache What I want to do is to … |
| | How do I modify minhook in order to be able to hook undocumented functions? I'm a beginner and this is beyond me.  |
| | Hi, I have a hooked function, NtTerminateProcess. I am trying to get the full path to the process handle passed to TerminateProcess. The injected app is taskmgr and GetProcessImageFileName is returning ERROR_ACCESS_DENIED. I even tried opening another handle to the process to ensure I have the required access rights, like … |
| | Hi All, In below design i would like to know the appraoch of deletion of base class pointer .It is pritty clear that deletion of base class object obj won't take place inside Draw destructor. Apart from this same code i have tested using unique_ptr and as expected it is … |
| | Hi All, In below code i am performing search in map through key value but not able to get the desire results though common elements (intersection) is present in both lists. #include <iostream> #include <stdio.h> #include <stdlib.h> #include <map> using namespace std; struct node { int data; struct node* next; …  |
| | I tried here in this code to insert struct information then assign to vector and get the smallest age .. i want to do that with vector to learn more about it .. can anyone help me to fix it .. and explain to me what's wrong in my thought … |
| | I am new to c++ and puzzle about parameters and argument definitions,Please help me i will great thankful to Dani web members. |
| | Hi every one, I had implemented Karatsuba algorithm in C++, but I have been stuck for 2 days. First problem is the function give incorrect answer, second problem is it oftens crash when run (runtime error). I try to debug but cannot understand how it's not work. I hope someone … |
| | I have been struggling with this for two days now, with no luck. I have a **C** `char` array `char myArray[] = "Hello World";` I also have a pointer to pointer to *char* `char **ptr;` So I want to somehow store `myArray` to `ptr` or somehow convert `myArray`into pointer to … |
| | Test Scores #2 Modify the program of Programming Challenge 2 to allow the user to enter name-score pairs using two parralell arrays. For each student taking a test, the user types the student’s name followed by the student’s integer test score. Modify the sorting function so it takes an array … |
| | void Halt (); void Reply (const char * num,uint8_t stat); { this is the error message for this code 7|error: 'uint8_t' has not been declared 9|error: expected unqualified-id before '{' token |
| | anybody tell me please what is wrong in this code it will give me only blank console screen? #include <iostream> using namespace std; int main() { int x=1; int y=2; int z; while(x<=50) { while(y<x) { z=x%y; if(z==0) { cout<<x<<"is a prime number"<<endl; } else { y++; } } x++; … |
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| | using 'strcpy_s' error c2660 void sortData(int size, char studentName[][6]) { bool swap; int temp[6]; do { swap = false; for (int count = 0; count < (size - 1); count++) { if (strcmp(studentName[count], studentName[count + 1]) > 0) { strcpy_s(temp, studentName[count]); strcpy_s(studentName[count], studentName[count + 1]); strcpy_s(studentName[count + 1], temp); swap … |
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 | Hi fellas I'm reading "Teach yourself C++" book by Herbert Schildt to learn C++. there is an example in chapter 10 which is tough to me. this is the code I'm talking about: #include <iostream> #include <cstdlib> #include <cctype> using namespace std; class list { public: list *head; // pointer … |
| | Hi All , In below code i am getting error while assigning one object with other and result is clear as both objects are different types. it is expected that RHS object should belong to same class. How to resolve this issue. error: no match for operator= in obj1 = … |
| | so the program needs to dynamically allocate an array large enough to hold a user=defined number of test scores. once all scores are entered, the array should be passed to a function that sorts them in ascending order. another function should be called that calculates the average score. the program … |
| | Please help me , I need to convert this C code in Python: #include<stdio.h> #include<stdlib.h> #include<conio.h> main() { system ("color F9"); float preco[150], precoNF, NFPreco_Produto[150]; //Vetores e variáveis que trabalham com preço int a=0, x=0, v=0, rel=0, y, i, aux, cod_exclui, troca; //Declaração de variáveis utilizadas para leitura, gravação, exlclusão … |
| | I want from program that it force the user to input valid value.When ever user enter caharcter in integer valriable it force the user to input the right value.But this does not work.If user input invalid value it start looping. #include <iostream> using namespace std; int main() { int x; … |
| | Why This Program is not Changing Directory from C:/ to H: Drive or D: Drive. #include<iostream> using namespace std; int main(int a,char *b[]) { int option; cout<<endl<<"Enter 2 for 2nd Semster Programs "<<endl; cout<<endl<<"Enter 3 for 3rd Semster Programs "<<endl; cin>>option; if(option==2) { system("D:"); system("explorer ."); } else if(option==3) { … |
| | Guys i cant imagine about how i'm gonna calculate that one... help me out please |
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